Nova Scotia Knowledge Test Coach
Speed and followingQuestion 128 of 296

What is hydroplaning?

  1. The brakes get hot from long use
  2. The tires lose air in cold weather
  3. The engine stops after a puddle
  4. The tires ride on a film of water and lose grip on the road
Show answer

Correct answer: The tires ride on a film of water and lose grip on the road

On a wet road, the tires can lift off the pavement as speed rises. Then you cannot brake, speed up or turn well. Slow down when the road is wet.

Source: Nova Scotia Driver's Handbook (Service Nova Scotia, 2000, reprinted with revisions to 2017), Chapter 5, Adverse Driving Conditions: Rain, page 139

Practice speed and following

Questions last reviewed: 18 October 2026